CN105762422B - Valve-regulated lead-acid battery - Google Patents
Valve-regulated lead-acid battery Download PDFInfo
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- CN105762422B CN105762422B CN201510833695.6A CN201510833695A CN105762422B CN 105762422 B CN105762422 B CN 105762422B CN 201510833695 A CN201510833695 A CN 201510833695A CN 105762422 B CN105762422 B CN 105762422B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
- H01M10/121—Valve regulated lead acid batteries [VRLA]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The present invention relates to valve-regulated lead-acid batteries, in anode casting grid, grain boundary attack caused by by mitigating the generation because of the local stress extended along with corrosion, grain boundary rupture acceleration inhibit the grid of the vertical bone close to tab, upper transverse frame bone to be broken, to provide the valve-regulated lead-acid battery of service life length.Valve-regulated lead-acid battery casts grid using following anode, it is 1.3 or more 2.7 or less close to ratio (a)/(b) of the sectional area (b) of the most thick bone in the sectional area (a) and horizontal in-seam of the vertical frame bone of the side of tab, preferably 2.5 or less, if tab width be X, foot bone be located in addition to away from tab center less than the position other than the range of 1.5X.It is preferred that above-mentioned anode casting grid has tapered portion, which extends in upper transverse frame bone from the shoulder of the side far from tab to tab portion.
Description
Technical field
The present invention relates to valve-regulated lead-acid batteries, in particular to its anode casting grid.
Background technique
The easiness consideration that valve-regulated lead-acid battery is safeguarded from it is chiefly used in fixed purposes etc., the collector of positive plate
Usually using casting grid.
Anode casting grid generally includes the frame bone being made of upper lower transverse frame bone and left right vertical frame bone, more in above-mentioned frame bone
A horizontal in-seam and multiple vertical in-seams are set to the current collection ear of upper transverse frame bone and are set to the foot bone of lower transverse frame bone, horizontal in-seam
It is made of thick bone and thin bone.
In such positive plate, the corrosion that grid can be generated because of long-time service extends, but since the top of tab is welded
It is connected to the terminal for being fixed on electro bath-lid, so tab portion deforms due to extension because corroding, with negative plate contact short circuit, there are the service life
Shorter situation.Therefore, so far, in the case where corrosion extension occurs for positive plate lower part, it is improved to through deformation energy
It is enough to absorb the foot bone shape extended.
In following patent documents 1, following content is described: in the anode casting grid of fixed lead storage battery
In, so that the foot close under tab is placed in saddle, extends even if thus generating corrosion in positive plate, make to extend under tab yet
Lower section is mobile, so as to prevent short circuit caused by the local buckling of pole plate.
In following patent documents 2, following content is described: the shape shape by making the foot of anode casting grid lower part
As the shape that can extend along with the corrosion of pole plate and extend, be broken, to be prevented short to absorb the extension of up and down direction
Road provides the lead storage battery lasted a long time.
In following patent documents 3, following lead storage battery is described: using in the lead alloy plate with expansion mesh
Upper ledge bone is provided with the current collection ear of disalignment, and is provided with from above-mentioned current collection ear to away from the farther away end in tab portion
The positive flase floor of the rake of height dimension reduction, the lead storage battery prevent the corrosion-deformation and active material of positive flase floor
It falls off.
Patent document 1: No. 3313275 bulletins of Japanese Patent No.
Patent document 2: No. 4092124 bulletins of Japanese Patent No.
Patent document 3: No. 4461697 bulletins of Japanese Patent No.
Like this, the past implements the various methods that the corrosion of the up and down direction for absorbing positive grid extends, grid
The problem of short circuit caused by deformation is improved.
However, in recent years, in the anode casting grid of the valve-regulated lead-acid battery used at high temperature, in tab lower part
Vertical bone, upper transverse frame bone generate the grain boundary attack of part, grain boundary rupture, generate the new problem of grid fracture etc.
Summary of the invention
The purpose of the present invention is to provide a kind of valve-regulated lead-acid batteries for being able to solve the above subject.Of the invention other
Project is designed to provide a kind of valve-regulated lead-acid battery lasted a long time.
The present invention to achieve the goals above, has following structure.
(1) a kind of valve-regulated lead-acid battery is made of Pb-Ca-Sn alloy or Pb-Ca alloy,
Using the positive plate with anode casting grid, wherein anode casting grid has by upper and lower horizontal frame bone and a left side
Frame bone, multiple horizontal in-seams in above-mentioned frame bone and the multiple vertical in-seams of right vertical frame bone composition deviate on above-mentioned upper transverse frame bone
Foot bone under the tab at center and above-mentioned lower transverse frame bone,
In the valve-regulated lead-acid battery,
In the sectional area (a) and above-mentioned horizontal in-seam of the above-mentioned vertical frame bone of the side close to tab of above-mentioned anode casting grid
Most thick bone sectional area (b) ratio (a)/(b) be 1.3 or more 2.7 hereinafter,
If tab width be X, above-mentioned foot bone be located in addition to away from tab center less than the position other than the range of 1.5X.
(2) on the basis of the valve-regulated lead-acid battery of above-mentioned (1), the side close to tab of above-mentioned anode casting grid
Above-mentioned vertical frame bone sectional area (a) and above-mentioned horizontal in-seam in most thick bone sectional area (b) (a)/(b) be 1.3 or more 2.5
Below.
(3) on the basis of the valve-regulated lead-acid battery documented by above-mentioned (1) or (2), above-mentioned upper transverse frame bone has taper
Portion, the tapered portion are extended from the position that the shoulder that the above-mentioned vertical frame bone photo with the side far from tab is handed over is erected to above-mentioned tab.
(4) on the basis of the valve-regulated lead-acid battery of above-mentioned (3), the angle of above-mentioned tapered portion be 1.4 ° or more 4 ° with
Under.
The present invention has above structure, thus in anode casting grid, is able to suppress and generates the crystal grain of part in frame bone
The case where boundary corrosion, grain boundary rupture and grid are caused to be broken, so as to provide a kind of valve-regulated lead storage that the service life is long
Battery.
Detailed description of the invention
Fig. 1 shows anode casting grids according to the present invention.
Fig. 2 indicates the position of shoulder of the invention.
Fig. 3~Figure 11 respectively indicates grille-like A~F, F ', G, H involved in the embodiment of the present invention and comparative example.
Figure 12, Figure 13 indicate (a)/(b) in grille-like A and grille-like B and the pole plate number of grain boundary fracture
And the relationship of service life months.
Figure 14, Figure 15 indicate (a)/(b) in grille-like C and grille-like D and the pole plate number of grain boundary fracture
And the relationship of service life months.
Figure 16, Figure 17 indicate (a)/(b) in grille-like A and grille-like C and the pole plate number of grain boundary fracture
And the relationship of service life months.
Figure 18, Figure 19 indicate (a)/(b) in grille-like B and grille-like D and the pole plate number of grain boundary fracture
And the relationship of service life months.
Figure 20, Figure 21 indicate to take (a)/(b) as variable, grille-like D, the starting point of tapered portion in grille-like E and brilliant
The grain pole plate number of boundary fault and the relationship of service life months.
Figure 22, Figure 23 indicate to take (a)/(b) as the foot bone in variable, grille-like C, grille-like D and grille-like F
Position and quantity and grain boundary fracture pole plate number and service life months relationship.
Figure 24, Figure 25 are indicated with (a)/(b) as variable, grille-like C, grille-like D, grille-like F and grill-shaped
The relationship of the pole plate number and service life months of the position of foot bone in shape F ' and quantity and grain boundary fracture.
Figure 26, Figure 27 indicate to take (a)/(b) as variable, tapered portion angle and the pole of grain boundary fracture in grille-like D
The relationship of plate number and service life months.
Figure 28, Figure 29 indicate that grille-like D, grille-like E, the tapered portion angle in grille-like H and grain boundary are broken
Pole plate number and service life months relationship.
Specific embodiment
Anode casting grid of the invention is common at following aspect and existing anode casting grid: material Pb-Ca-Sn
Alloy or Pb-Ca alloy, the frame bone constituted with upper lower transverse frame bone and left right vertical frame bone, multiple horizontal in-seams in above-mentioned frame bone and
Multiple vertical in-seams, the foot bone on above-mentioned upper transverse frame bone under the tab of offset from center and above-mentioned pubic bone frame.
The present inventor passes through to the office for generating the local grain boundary corrosion for inducing anode casting grid, grain boundary rupture
The reason of portion's stress, investigate further and be realised that following situations, it may be assumed that extends along with the corrosion of positive grid, to tab
The vertical bone and upper transverse frame bone of lower part apply stress, and in the part for locally generating corrosion acceleration, therefore grid is locally broken.Separately
Outside, also know: positive grille-like is especially strength balance, the position of foot bone and the taper of upper transverse frame bone of vertical bone and transversum
Portion's shape is larger to having an impact for local burn into stress.
In existing anode casting grid, horizontal in-seam is made of thick bone and thin bone.If the quantity of thick bone increases, in order to
Inhibit grid weight and cut down vertical bone weight, life performance reduces, therefore general thick bone is 2~3, remaining as thin bone.Thin bone
Specific surface area it is larger, be easy to be corroded, therefore be easy to be laterally extended, the specific surface area of thick bone is smaller, it is difficult to be corroded, therefore
Lateral extension is smaller.Therefore, stress is generated in the near intersections of the thick bone of horizontal in-seam and vertical frame bone, grain boundary attack adds
Speed.
Although it is believed that lateral corrosion extends more evenly if the quantity of the thick bone of horizontal in-seam is more, grain boundary rupture
It is less, but from the viewpoint of grid weight, accelerating, there are the limit.
In addition, there are in the case where foot bone immediately below the tab of positive plate, in the vertical bone between them, to grid
For the corrosion of plate extends, be difficult to be absorbed because of the restriction of tab welding construction above, lower section because foot bone there are due to
It is difficult to be absorbed, therefore applies excessive stress, become grain boundary rupture Producing reason.
In addition, foot bone has the function of support grid, refers to and battery bottom or be set to the saddle of battery bottom and contact.
And know: in upper transverse frame bone, being applied to upper transverse frame bone because the corrosion of up and down direction extends the stress generated
The lower part of intensity, so that grain boundary attack, grain boundary rupture locally occur.
Therefore, present inventor have discovered that as shown in Figure 1, by making in anode casting grid close to the vertical of the side of tab
The sectional area (a) of frame bone (hereinafter referred to as " tab lower frame bone ") and the most thick bone (hereinafter referred to as " thick bone in cross ") in horizontal in-seam
The ratio of sectional area (b) be that (a)/(b) is in prescribed limit, can mitigate because corrode extend due in cross thick bone and vertical frame bone
The stress that intersection point generates, and it is long by making the setting position of foot bone separate regulation relevant to tab width immediately below tab
Degree or more, it can be ensured that the corrosion elongation of bone is indulged under tab, mitigates stress.
Also, the present inventors have additionally discovered that: what upper transverse frame bone was handed over by setting from the vertical frame bone photo of the side with separate tab
The tapered portion for the position extension that shoulder is erected towards tab can improve the mechanical strength of upper transverse frame bone, and by making flase floor
Caused by whole homogeneous current distribution is able to suppress because the grain boundary attack of the part of two frame bones, grain boundary rupture in length and breadth
The fracture of grid.
If tapered portion angle is 1 ° or so, the improvement of mechanical strength and current distribution is insufficient, but the lattice if more than 5 °
In tapered portion portion stomata easy to form when grid are cast, intensity, corrosion resistance are reduced.It is preferred that the range of tapered portion angle be 1.4 °~
4.0°。
In addition, if tapered portion is arranged as starting point using the midway of upper transverse frame bone, due to the grid extension along with corrosion
It is easy to be applied around the starting point of tapered portion stress, grain boundary attack, grain boundary rupture accelerate.It is therefore preferable that tapered portion
Starting point be far from tab side shoulder.
In addition, as shown in Fig. 2, shoulder refers to the range from the starting point in grid inner arc portion to horizontal frame epiphysis.
The valve-regulated lead-acid battery lasted a long time is capable of providing by the above synergistic effect.
[embodiment]
Following presentation embodiment.Furthermore, it is possible to be appropriately combined all or part of of embodiment.
(example 1)
(anode casting grid and battery are made)
Pb-Ca-Sn alloy is cast, the anode casting of grille-like A shown in Fig. 3 and grille-like B shown in Fig. 4 is made
Grid is made, 8 positive plates for using the grid and 9 negative plates is combined, the valve-regulated lead electric power storage of 2V, specified 200Ah is made
Pond No.1~16.
In addition, grid is cast as anode, as shown in figs.5 and 6, in addition to being provided with since shoulder in horizontal frame bone
Tapered portion grille-like C and grille-like D other than, battery is made in a manner of identical with grille-like A and B
No.17~32.
The sectional area (b) of thick bone in the sectional area (a) and cross of the tab lower frame bone of anode grid used in each battery
It is more as shown in table 1 away from the distance at tab center for the foot bone of X than (a)/(b), tapered portion angle, tab width.
(accelerating overcharge test and evaluation method)
High temperature quick float life test is carried out under the conditions of 60 DEG C, the floating charge of 2.23V, is commented by the following method
Valence.
(1) battery is disintegrated at eight month, takes out 8 positive plates, respectively in upper transverse frame bone (upper box bone), tab
The number for generating grain boundary fracture in vertical bone and a battery unit down is confirmed.
(2) each month carries out the capacity validation test before 1.75V at 25 DEG C, 0.2CA, and capacity retention ratio is reduced
Time before to 80% is determined as the service life.
In each battery, indulges under upper transverse frame bone (upper box bone), tab generated in bone and a battery unit respectively
The pole plate number of grain boundary fracture, the results are shown in Table 1 for service life months, and the grain boundary in a battery unit, which is broken, to be produced
The result of raw number and life performance is as shown in Figure 12~Figure 19.
[table 1]
[table 1]
Battery No.1~8 that position relative to foot bone is the grille-like A immediately below tab, the positional distance pole of foot bone
The fracture number that bone is indulged under the tab of battery No.9~16 of the grille-like B of ear center 2X is reduced, it is known that especially (a)/(b)
In the range of being 1.3~2.7 effectively.In addition, from Figure 12, Figure 13 it is found that service life months extend, also, especially in (a)/(b)
For in 2.0 situations below, additionally it is possible to inhibit the fracture of upper transverse frame bone.
With tapered portion, relative to foot bone position be tab immediately below grille-like C battery
No.17~24, battery No.25~32 of the grille-like D apart from tab center 2X are the case where (a)/(b) is 1.3~2.7
Under, also it is able to suppress the fracture number that bone is indulged under the tab based on grille-like D.In addition, being able to suppress upper cross by tapered portion
The fracture of frame bone, therefore as shown in Figure 14, Figure 15, the inhibition and life performance effect of the grain boundary fracture based on foot bone position
Fruit shows more obviously.
In addition, in the battery of grille-like A and the battery of grille-like C that foot bone position is immediately below tab, according to
Figure 16, Figure 17 indulge bone although the service life slightly extends, under by tab and are broken in the battery of the grille-like C with tapered portion
Influence is split, the number of grain boundary fracture is constant, therefore does not play the effect of setting tapered portion.
On the other hand, in the battery of the battery of grille-like B of the foot bone position far from tab center and grille-like D
In, according to Figure 18, Figure 19, compared with the battery of grille-like B, (a)/(b) is the battery of the grille-like D with tapered portion
1.3~2.7 range, is able to suppress the number for generating grain boundary fracture, and service life months extend.
Therefore, foot bone position and specifying in the case where the grille-like with tapered portion for (a)/(b) are special
Effectively.
(example 2)
In order to confirm tapered portion shape effect, in addition to as anode casting grid use (a)/(b) be 1.3,2.0,
2.5, tapered portion does not reach other than the grille-like E shown in Fig. 7 of the shoulder of horizontal frame bone, is made in mode same as Example 1
Battery No.33~35.
The result compared with the battery of grille-like D is as shown in table 2 and Figure 20, Figure 21.
[table 2]
[table 2]
The tapered portion of upper transverse frame bone does not reach battery No.33~35 of the grille-like E of shoulder and tapered portion reaches shoulder
Battery No.26,29,31 of grille-like D compare, the number of upper transverse frame bone fracture is more, according to fig. 20, Figure 21, an electricity
Grain boundary fracture number in pool unit is more, and service life months are shorter.
Therefore, it is known that if the tapered portion of upper transverse frame bone reaches shoulder, effect is more preferable.
(example 3)
It is 1.3,2.0,2.5,2 foot bones in addition to using (a)/(b) to confirm the position of foot bone and the influence of quantity
In 1 grille-like C being located closely adjacent to immediately below tab, grill-shaped of 1 root distance from tab center 1X~5X in 2 foot bones
The position of shape D, 1 foot bone and foot bone are away from grid construction F shown in Fig. 8 and 1 foot bone that tab center is 2X, 3X and foot
The position of bone is located remotely from the anode casting of the grille-like F ' shown in Fig. 9 of the lower section (lower end) of the vertical frame bone of the side of tab
It makes other than grid, battery No.36~53 is made in mode same as Example 1.As a result as shown in table 3 and Figure 22~Figure 25.
[table 3]
[table 3]
Figure 22, Figure 23 are to indicate that foot bone position is the grille-like C immediately below tab, the grill-shaped apart from tab center 2X
Shape D (foot bone 2), the foot bone position of grille-like F (foot bone 1) and foot bone quantity are broken the grain boundary of the pole plate of battery
And the figure of influence caused by life performance.(a) range that/(b) is 1.3~2.5, the quantity regardless of foot bone can be shown
The now inhibition of bring grain boundary fracture generation, life performance effect due to foot bone position is far from tab center.
In addition, Figure 24, Figure 25 are to indicate that foot bone is 2 and foot bone position is grille-like C immediately below tab, foot bone is
Grille-like D that 2 and foot bone position are 1X~3X, foot bone are 1 and grille-like F of the foot bone position away from tab center 3X,
And foot bone is 1 and foot bone position is the grille-like F ' of lower end to the grain boundary fracture of the pole plate of battery and service life
The figure of influence caused by performance.Known to: the range that (a)/(b) is 1.3~2.5, the quantity regardless of foot bone, for foot bone position
In the case where setting the grille-like apart from tab center 1.5X or more, because the grain boundary attack of part, grain boundary rupture
Grain boundary fracture is inhibited caused by generation, thus obtains the excellent effect of life performance.
(example 4)
In order to confirm the influence of tapered portion angle, in foot bone position away from tab center 2X, (a)/(b) be respectively 1.3,2.0,
In 2.5 grille-like D, in addition to tapered portion angle be 1 °~5 ° other than, with mode same as Example 1 be made battery No.54~
68。
In addition, the influence in order to confirm the tapered portion angle in different grille-likes, in foot bone position away from tab center
2X, (a)/(b) are that 2.0 aspects are common, although the starting point of tapered portion is not the grille-like E of shoulder and the starting point of tapered portion
For shoulder but tab is located off in grille-like H shown in Figure 11 of the position on vertical frame bone, in addition to respective tapered portion angle
Degree is other than 1 °~5 °, and battery No.69~73, battery No.74~79 are respectively prepared in mode same as Example 1.As a result as table 4,
And shown in Figure 26~Figure 29.
[table 4]
[table 4]
Figure 26, Figure 27 are the figures for indicating the influence of the tapered portion angle in grille-like D.If knowing that tapered portion angle is
The grille-like of 1.4 °~4.0 ° of range, the then fracture for being able to suppress upper transverse frame bone generate.Therefore, (a)/(b) be 1.3~
2.5 range, foot bone position be the distance away from tab center 2X, thus under tab indulge bone fracture be nearly free from the case where
Interaction, the grain boundary fracture being able to suppress in a battery unit generate, and the excellent battery of life performance is made.
The case where Figure 28, Figure 29 are by the influence of the tapered portion angle in grille-like E, grille-like H and grille-like D
The figure shown together.For battery No.69~73 of grille-like E of the tapered portion since the midway of horizontal frame bone, 34, in addition to
The case where tapered portion angle is 1 °, the effect that tapered portion is arranged is smaller.On the other hand, in tapered portion using shoulder as starting point, pole
Ear not in the case where the grille-like H on vertical frame bone, tapered portion angle be 1.4 °~4.0 ° range battery No.75~
In 78, roughly the same effect is played with the case where grille-like D.Therefore, it is known that do not indulging the situation on frame bone in tab portion
Under, as long as grille-like of the tapered portion of upper transverse frame bone since shoulder, then the range that tapered portion angle is 1.4 °~4.0 °,
It is able to suppress the generation of grain boundary fracture, the excellent battery of life performance is made.
In addition, being also made to confirm the foot bone position relative to grille-like H using as shown in Figure 10 in addition to foot bone
Position is the battery of grille-like G identical with grille-like H other than tab underface, but uses grille-like A, grille-like
The battery of C is also the same, main to generate the grain boundary fracture that bone is indulged under tab.
[industrial utilization possibility]
It is capable of providing a kind of valve-regulated lead-acid battery suitable for fixed purposes etc..
Claims (3)
1. a kind of valve-regulated lead-acid battery, the anode casting grid used has the vertical frame bone structure by upper and lower horizontal frame bone and left and right
At frame bone, multiple horizontal in-seams in the frame bone and multiple vertical in-seams, on the upper transverse frame bone off-centered tab, with
And the foot bone under the lower transverse frame bone, the anode casting grid are made of Pb-Ca-Sn alloy or Pb-Ca alloy,
The valve-regulated lead-acid battery is characterized in that,
In the sectional area a and the horizontal in-seam of the vertical frame bone of the side close to the tab of the anode casting grid
The ratio a/b of the sectional area b of most thick bone be 1.3 or more 2.7 hereinafter,
The upper transverse frame bone has tapered portion, the shoulder which hands over from the vertical frame bone photo with the side far from the tab
The position extension that portion is erected to the tab,
If the width of the tab is X, the foot bone is located at other than the center away from the tab is less than the range of 1.5X
Position.
2. valve-regulated lead-acid battery according to claim 1, which is characterized in that
In the sectional area a and the horizontal in-seam of the vertical frame bone of the side close to the tab of the anode casting grid
The ratio a/b of the sectional area b of most thick bone is 1.3 or more 2.5 or less.
3. valve-regulated lead-acid battery according to claim 1 or 2, which is characterized in that
The angle of the tapered portion is 1.4 ° or more 4 ° or less.
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JP2015-000153 | 2015-01-05 | ||
JP2015000153A JP6548139B2 (en) | 2015-01-05 | 2015-01-05 | Control valve type lead storage battery |
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CN105762422B true CN105762422B (en) | 2019-10-18 |
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JP7024177B2 (en) * | 2016-10-03 | 2022-02-24 | 株式会社Gsユアサ | Lead-acid battery and current collector |
JP7081135B2 (en) * | 2017-12-15 | 2022-06-07 | 株式会社Gsユアサ | Lead-acid battery |
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JP6548139B2 (en) | 2019-07-24 |
JP2016126924A (en) | 2016-07-11 |
CN105762422A (en) | 2016-07-13 |
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